erse = "immerse immersion disperse dispersal dispersion"

verse = "terse verse version averse traverse transverse"

ause = "cause becasue clause pause menopause menstrual menstruate menstruation"

ouse = ("souse mouse douse rouse arouse grouse house hothouse greenhouse louse delouse blouse"
        "spouse espouse")

fuse = ("fuse fusion transfuse transfusion blood transfusion refuse defuse infuse infusion "
        "effuse effusion effusive diffuse suffuse confuse confusion profuse profusion")
